Решите уравнение:
4/5 (8-2Х)=0,8 (Х-1)
0,8(8-2х)=0,8х-0,8
6,4-1,6х=0,8х-0,8
-1,6х-0,8х=-0,8-6,4
-2,4х=-7,2/(-2,4)
х=3
4/5(8-2х)=0,8(х-1)=0,8(8-2х)=0,8(х-1)
8-2х=х-1
9=3х
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Answers & Comments
0,8(8-2х)=0,8х-0,8
6,4-1,6х=0,8х-0,8
-1,6х-0,8х=-0,8-6,4
-2,4х=-7,2/(-2,4)
х=3
4/5(8-2х)=0,8(х-1)=0,8(8-2х)=0,8(х-1)
8-2х=х-1
9=3х
х=3